import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

@WebServlet("/autoRefresh")
public class AutoRefresh extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //直接返回响应就好，
        resp.setHeader("refresh","2");
        resp.getWriter().write(System.currentTimeMillis()+" \n");
        System.out.println();
        SimpleDateFormat simpleDateFormat=new SimpleDateFormat();
        Date date=new Date();
        req.setCharacterEncoding("utf8");
        resp.setContentType("text/html;charset=utf8");
        resp.getWriter().write(date.toString());
    }
}
